Home / 19,927.67-27,513.41-12,385.26

Finding the Fourth Proportional to 19,927.67, 27,513.41 and 12,385.26

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Solution

The fourth proportional to 19,927.67, 27,513.41 and 12,385.26 is: 17,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.67 : 27,513.41 = 12,385.26 : x
  2. Step 2: Convert to fraction form
    19,927.67/27,513.41 = 12,385.26/x
  3. Step 3: Cross multiply
    19,927.67x = 27,513.41 × 12,385.26
  4. Step 4: Simplify right side
    19,927.67x = 340,760,674.41
  5. Step 5: Solve for x
    x = 340,760,674.41/19,927.67
  6. Step 6: Final answer
    x = 17,099.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.